Haftel: All the other arguments aside, there's one that's irrefutable. There's only two Soong-type Androids in existence. It would be very dangerous to have you both in the same place, especially aboard a starship. One lucky shot from a Romulan, we'd lose you both.

Data: Admiral, when I created Lal, it was in the hope that she would one day enter the Academy and become a member of Starfleet. I wanted to give something back, in return for all that Starfleet has given me. I still do. But Lal is my child. You ask that I volunteer to give her up. I cannot. It would violate every lesson I have learned about Human Parenting. I have brought a new life into this world, and it is my duty, not Starfleets, to guide her through these difficult steps to maturity, to support her as she learns, to prepare her to be a contributing member of society. No one can relieve me from that obligation. And I cannot ignore it. I am... her father.

Picard: There are times, Sir, when men of good conscience cannot blindly follow orders. You acknowledge their sentience, but you ignore their personal liberties and freedom. Order a man to hand his child over to the state? Not while I'm his Captain. If you wish, you can accompany us to Starfleet, where we shall see-

TROI: It lasted barely a moment. She experienced fear and confusion. And then for no apparent reason she walked out of my quarters. She didn't say another word, she just started walking here and each step became more and more difficult.